"low affinity" means a weak or small attraction between two things. It refers to a situation where two objects or substances do not have a strong connection or tendency to stick together or interact with each other. Full definition
Patients with low affinity, on the other hand, displayed a considerably higher level of insulin production, which remained constant over a time frame of 30 months. (sciencedaily.com)
Speaking of which, the Freeze Daggers are well balanced but the Diablos Hatchets have higher attack power and a defense bonus at the cost of lower affinity and requiring the Free Element skill to activate its ice element. (heavy.com)
A research group led by Ryo Shinnakasu, Assistant Professor and Tomohiro Kurosaki, Professor at IFReC and a group at RIKEN Center for Integrative Medical Sciences jointly clarified that germinal - center B cells with lower affinity maturation of antigens were easily differentiation - induced into memory B cells. (sciencedaily.com)